Littelfuse 032602.8H Ceramic Fuse - Equivalent & Substitute Parts

Part Overview

The Littelfuse 032602.8H is a 2.8 A, 250 V AC ceramic cartridge fuse in the 3AB/3AG package format (1/4" x 1-1/4"). This component is classified as obsolete, making identification of functionally equivalent alternatives essential for system maintenance and component sourcing. The fuse operates with slow-blow response characteristics and requires a compatible holder for installation. Substitute parts must maintain electrical performance across current rating, voltage rating, response time, and physical dimensions while meeting applicable regulatory compliance standards.

Substiute Parts

032602.8H

Littelfuse Inc.In Stock: 964032602.8H Datasheet

Current PartRFQ

032602.8HXP

Littelfuse Inc.In Stock: 915032602.8HXP Datasheet

DirectRFQ

032602.8MXP

Littelfuse Inc.In Stock: 1036032602.8MXP Datasheet

Parametric EquivalentRFQ

032602.8VXP

Littelfuse Inc.In Stock: 795032602.8VXP Datasheet

Parametric EquivalentRFQ

BK/MDA-2-8/10-R

Eaton - Electronics DivisionIn Stock: 1210BK/MDA-2-8/10-R Datasheet

Parametric EquivalentRFQ

MDA-2-8/10-R

Eaton - Electronics DivisionIn Stock: 1117MDA-2-8/10-R Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 032602.8H is determined by strict equivalence across the following parameters:

• Current Rating: 2.8 A (exact match required)
• Voltage Rating - AC: 250 V (exact match required)
• Fuse Type: Cartridge, Ceramic (exact match required)
• Response Time: Slow Blow (exact match required)
• Package / Case: 3AB, 3AG, 1/4" x 1-1/4" (exact match required)
• Mounting Type: Requires Holder (exact match required)

Substitute parts are grouped into two categories:

Category 1: Littelfuse 326 Series (Direct Manufacturer Equivalents)

• 032602.8HXP, 032602.8MXP, 032602.8VXP
• These parts maintain all core electrical parameters and add DC voltage rating capability (125 V DC)
• All are active products with enhanced compliance certifications

Category 2: Eaton MDA Series (Cross-Manufacturer Parametric Equivalents)

• MDA-2-8/10-R, BK/MDA-2-8/10-R
• These parts match all core electrical and mechanical parameters
• Eaton MDA series provides alternative sourcing from a different manufacturer

Parameter Comparison

Engineering Selection Recommendations

Littelfuse 326 Series Substitutes (032602.8HXP, 032602.8MXP, 032602.8VXP)

These three parts are direct manufacturer equivalents from Littelfuse and are classified as active products. All three maintain identical electrical parameters to the 032602.8H while providing enhanced specifications including DC voltage rating (125 V) and extended operating temperature range (-55°C to 125°C). All three parts carry ROHS3 compliance and expanded regulatory certifications (CE, CSA, K-MARK, PSE, UL). Selection among these three Littelfuse variants should be based on regional certification requirements and inventory availability.

Eaton MDA Series Substitutes (MDA-2-8/10-R, BK/MDA-2-8/10-R)

These cross-manufacturer alternatives from Eaton provide parametric equivalence across all core electrical and mechanical specifications. Both are active products with ROHS3 compliance. The MDA-2-8/10-R carries CE, CSA, and UL certifications. The BK/MDA-2-8/10-R variant (black color) does not specify approval agencies. Both Eaton parts exhibit lower melting I²t values (10 and 7.2 respectively) compared to the main part (170), indicating faster thermal response characteristics. These parts are suitable for applications where cross-manufacturer sourcing is acceptable and where the lower I²t values do not conflict with circuit protection requirements.

Frequently Asked Questions (FAQ)

Q: Can the Littelfuse 032602.8HXP, 032602.8MXP, and 032602.8VXP be used interchangeably with the obsolete 032602.8H?

A: Yes. All three parts maintain identical current rating (2.8 A), AC voltage rating (250 V), fuse type (ceramic cartridge), response time (slow blow), and physical dimensions (3AB/3AG, 1/4" x 1-1/4"). The primary differences are enhanced DC voltage rating capability and expanded operating temperature range, which represent improvements over the original part.

Q: What is the difference between the three Littelfuse 326 series substitutes?

A: The 032602.8HXP, 032602.8MXP, and 032602.8VXP are parametrically identical. Differences exist only in regional certification approvals: 032602.8HXP and 032602.8MXP carry K-MARK certification, while 032602.8VXP carries KC certification instead. Selection should be based on target market regulatory requirements.

Q: Can Eaton MDA-2-8/10-R fuses replace Littelfuse 032602.8H fuses?

A: Yes, for applications where cross-manufacturer sourcing is acceptable. The MDA-2-8/10-R maintains all core electrical parameters and physical dimensions. However, the Eaton part exhibits a lower melting I²t value (10 versus 170), resulting in faster thermal response. This difference must be evaluated against circuit protection requirements to ensure compatibility.

Q: What does the melting I²t difference between Littelfuse and Eaton parts mean?

A: Melting I²t is a measure of thermal energy required to melt the fuse element. The Littelfuse 032602.8H and its 326 series equivalents have I²t = 170, while Eaton MDA parts have I²t = 10 or 7.2. Lower I²t values indicate faster response to thermal stress. Both are classified as slow-blow fuses, but the Eaton parts respond more quickly to sustained overcurrent conditions.

Q: Are all substitute parts RoHS compliant?

A: The original 032602.8H is RoHS non-compliant. All substitute parts (Littelfuse 032602.8HXP, 032602.8MXP, 032602.8VXP, and Eaton MDA-2-8/10-R, BK/MDA-2-8/10-R) are ROHS3 compliant, meeting current environmental regulations.

Q: Do substitute parts require the same holder as the original 032602.8H?

A: Yes. All substitute parts use the same 3AB/3AG holder format and identical physical dimensions (1/4" x 1-1/4"). No holder modifications or replacements are necessary.

Q: Which substitute part should I select for new designs?

A: For new designs, the Littelfuse 326 series parts (032602.8HXP, 032602.8MXP, or 032602.8VXP) are recommended as they are active products from the original manufacturer with comprehensive regulatory certifications and enhanced specifications. Selection among the three should be based on target market certifications.